HSS Threaded Shank Counterbore

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Description

Australian Made.
Corner radius to ensure no sharp corners are cut into component.
Internal bore with side locking grubscrew to allow the addition of a removable pilot.

Material: Hardened high speed steel.
Shank Type: Industry standard 1/4 UNF with a 2.5mm through hole for tightening the tool into/out of a fixture.
Counterbore diameter: Specified when ordering
Corner Radius: Specified when ordering
Bore diameter: Specified when ordering (to allow for a pilot, sold separately)

Additional information

HSS Counterbore Ø

.2500" (1/4"), .3120" (5/16"), .3750" (3/8"), .4375" (7/16"), .5000" (1/2"), .5312" (17/32"), .5620" (9/16"), .6250" (5/8"), .6718" (43/64"), .6870" (11/16"), .7180" (23/32"), .7500" (3/4"), .8120" (13/16"), .8750" (7/8"), .9370" (15/16"), 1.000", 1.062" (1-1/16")